/*
 * Hivemall: Hive scalable Machine Learning Library
 *
 * Copyright (C) 2015 Makoto YUI
 * Copyright (C) 2013-2015 National Institute of Advanced Industrial Science and Technology (AIST)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package hivemall.utils.compress;

import java.io.Closeable;
import java.io.IOException;

import javax.annotation.Nonnull;

public abstract class CompressionCodec implements Closeable {

    public CompressionCodec() {}

    @Nonnull
    public byte[] compress(@Nonnull byte[] in) throws IOException {
        return compress(in, 0, in.length);
    }

    @Nonnull
    public abstract byte[] compress(@Nonnull byte[] in, int offset, int len) throws IOException;

    @Nonnull
    public byte[] decompress(@Nonnull byte[] in) throws IOException {
        return decompress(in, 0, in.length);
    }

    @Nonnull
    public abstract byte[] decompress(@Nonnull byte[] in, int offset, int len) throws IOException;

}
